Foreign institutional investors (FIIs) were net buyers of Rs 1,025.57 crore (provisional) today, according to data released by BSE.While FIIs made gross purchases of Rs 3,723.98 crore, gross sales totalled Rs 2,698.41 crore.FIIs were net buyers of Rs 1,223.10 crore on Friday, July 20, according to data released by Sebi today. While FIIs made gross purchases of Rs 4,108.40 crore, gross sales totalled Rs 2,885.30 crore.Mutual funds (MFs) were net sellers of Rs 316.80 crore on Friday. MFs made purchases of Rs 492.80 crore and sales of Rs 809.60 crore.